Throwing code for o2 sensor, what does this mean?

Discussion in '1994 - 1995 Specific Tech' started by cmills26, Jan 7, 2004.

  1. I ran a code scan and it came up with 172, which states, that the o2 sensor is running "lean" in bank 1. What does this mean and how do I correct it?
  2. get a new O2 sensor I take it. You only have two